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| author | Thomas Jarosch <thomas.jarosch@intra2net.com> | 2013-01-28 09:21:14 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-30 13:40:44 (GMT) |
| commit | 5809fde040de2afa477a6c593ce2e8fd2c11d9d3 (patch) | |
| tree | b6ff202ebeca4341a1332258a04403f8ce95e75a /tools/perf/util/header.c | |
| parent | fdae6373910c10e27b8ae07e11e821b183d0bba5 (diff) | |
| download | linux-5809fde040de2afa477a6c593ce2e8fd2c11d9d3.tar.xz | |
perf header: Fix double fclose() on do_write(fd, xxx) failure
cppcheck reported:
[util/header.c:983]: (error) Used file that is not opened.
Thanks to Arnaldo Carvalho de Melo for pointing out that
fclose(NULL) is undefined behavior -> protect against it.
Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Link: http://lkml.kernel.org/r/1751778.SZQB4fNdIh@storm
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 7b24cf3..f6081cb 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -955,6 +955,7 @@ static int write_topo_node(int fd, int node) } fclose(fp); + fp = NULL; ret = do_write(fd, &mem_total, sizeof(u64)); if (ret) @@ -981,7 +982,8 @@ static int write_topo_node(int fd, int node) ret = do_write_string(fd, buf); done: free(buf); - fclose(fp); + if (fp) + fclose(fp); return ret; } |